Symantec Data Loss Prevention Cloud Service for Email Implementation Guide gives instructions on how to set up Cloud Service for Email with an Enforce Server administration console and either on-premises Microsoft Exchange, or Microsoft Office 365 Exchange Online, or Google G Suite Gmail.
The latest version of this guide, dated 22 July 2019, applies to using Cloud Service for Email with Symantec Data Loss Prevention version 15.x. It includes
Information about the new Cloud Management Portal (CMP) that replaces the provisioning form.
Notification that as of September 2019, the lowest supported of version of Symantec Data Loss Prevention for use with cloud service will be 15.x.
Minor edits to match the instructions to the current Exchange admin center UI.